•  interactive development (Slime) Emacs+Slime seem stable on Linux and Windows only
      •  cross-platform (tested: Linux, OSX, Windows)
      •  no external dependencies (Lisp/C++ libraries/parsers)
      •  overriding virtual Qt functions
      •  unicode
      •  translations (Qt Linguist)
      •  loading UI files (Qt Designer)
      •  quite performant
      •  easily embeddable in existing Qt/C++ projects
      •  no CLOS Qt wrapper